FileMode.Create)) { workbook.Write(fs); }

#region 导出dataViewGrid视图中的数据为xls格局

private void btnExportList_Click(object sender, EventArgs e)

{

string fname = string.Empty;

SaveFileDialog sfd = new SaveFileDialog();

sfd.Filter = “表格文件|*.xls”;

sfd.DefaultExt = “xls”;

if (sfd.ShowDialog() == DialogResult.OK)

{

fname = sfd.FileName;

}

else

{

return;

}

//导出当前dataGridView中的所有数据到xls文件

//1.引入库文件,新建lib文件夹，，复制相关文件

//2.在项目中添加对这几个dll的引用

//3.在内存中成立 excel表文件

HSSFWorkbook workbook = new HSSFWorkbook();

HSSFSheet sheet = workbook.CreateSheet(“第一页”);

//创建标题头

HSSFRow title = sheet.CreateRow(0);

title.CreateCell(0).SetCellValue(“编号”);

title.CreateCell(1).SetCellValue(“姓名”);

title.CreateCell(2).SetCellValue(“性别”);

title.CreateCell(3).SetCellValue(“春秋”);

title.CreateCell(4).SetCellValue(“地点”);

title.CreateCell(5).SetCellValue(“电话”);

title.CreateCell(6).SetCellValue(“生日”);

for (int rowindex = 0; rowindex < dgvStudens.RowCount; rowindex++)

{

//创建第一行

HSSFRow row = sheet.CreateRow(rowindex + 1);

for (int colindex = 0; colindex < dgvStudens.Rows[rowindex].Cells.Count; colindex++)

{

row.CreateCell(colindex).SetCellValue((dgvStudens.Rows[rowindex].Cells[colindex].Value == null) ? null : dgvStudens.Rows[rowindex].Cells[colindex].Value.ToString());

}

////创建第一行的第一列

//HSSFCell cell = row.CreateCell(0);

//cell.SetCellType(3);

//cell.SetCellValue(dgvStudens.Rows[rowindex].Cells[0].Value.ToString());

////第一行第2列

//row.CreateCell(1).SetCellValue(dgvStudens.Rows[rowindex].Cells[1].Value.ToString());

////第一行第3列

//row.CreateCell(2).SetCellValue(dgvStudens.Rows[rowindex].Cells[2].Value.ToString());

////第一行第4列,age，可能会为空

//// row.CreateCell(3).SetCellValue(dgvStudens.Rows[0].Cells[3].Value.ToString());

//row.CreateCell(3).SetCellValue((dgvStudens.Rows[rowindex].Cells[3].Value == null) ? null : dgvStudens.Rows[rowindex].Cells[3].Value.ToString());

}

using (FileStream fs = new FileStream(fname, FileMode.Create))

{

workbook.Write(fs);

}